HP Officejet Pro 8000 - A809 - Manual (Page 7)

Maintain the printheads ..........................................................................................................59
To check printhead health ................................................................................................59
To print the print quality diagnostic page ..........................................................................59
To align the printheads .....................................................................................................61
To clean the printheads ....................................................................................................61
To clean the printhead contacts manually ........................................................................62
To calibrate the linefeed ...................................................................................................64
To replace the printheads .................................................................................................64
Store printing supplies ............................................................................................................66
Store ink cartridges ...........................................................................................................66
Store printheads ...............................................................................................................66
Troubleshooting tips and resources ........................................................................................66
Solve printing problems ..........................................................................................................67
The device shuts down unexpectedly ...............................................................................67
The device is not responding (nothing prints) ...................................................................67
Printer lights are blinking ..................................................................................................68
Device takes a long time to print .......................................................................................68
Placement of the text or graphics is wrong .......................................................................69
The device prints half a page, then ejects the paper ........................................................69
Device is printing from the wrong input tray ......................................................................70
Poor print quality and unexpected printouts ............................................................................70
General print quality troubleshooting ................................................................................70
Meaningless characters print ............................................................................................71
Ink is smearing .................................................................................................................71
Ink is not filling the text or graphics completely .................................................................72
Output is faded or dull colored ..........................................................................................72
Colors are printing as black and white ..............................................................................72
Wrong colors are printing ..................................................................................................72
Printout shows bleeding colors .........................................................................................72
The printout has a horizontal band of distortion near the bottom of a borderless print .....73
Colors do not line up properly ...........................................................................................73
Text or graphics are streaked ...........................................................................................74
Something on the page is missing or incorrect .................................................................74
Solve paper-feed problems .....................................................................................................74
Optional Tray 2 cannot be inserted ...................................................................................74
Media stops halfway .........................................................................................................74
Another paper-feed problem is occurring ..........................................................................74
Solve device management problems ......................................................................................76
Embedded Web server cannot be opened .......................................................................76
Solve network problems .........................................................................................................77
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